AU4365296A - Video modem - Google Patents

Video modem

Info

Publication number
AU4365296A
AU4365296A AU43652/96A AU4365296A AU4365296A AU 4365296 A AU4365296 A AU 4365296A AU 43652/96 A AU43652/96 A AU 43652/96A AU 4365296 A AU4365296 A AU 4365296A AU 4365296 A AU4365296 A AU 4365296A
Authority
AU
Australia
Prior art keywords
video modem
modem
video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU43652/96A
Inventor
John S Gerig
Steven Rogers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Objective Communications Inc
Original Assignee
Objective Communications Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Objective Communications Inc filed Critical Objective Communications Inc
Publication of AU4365296A publication Critical patent/AU4365296A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/02—Colour television systems with bandwidth reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/0806—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the signals being two or more video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Color Television Systems (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
AU43652/96A 1994-12-01 1995-12-01 Video modem Abandoned AU4365296A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US352112 1989-05-15
US08/352,112 US5621455A (en) 1994-12-01 1994-12-01 Video modem for transmitting video data over ordinary telephone wires
PCT/US1995/014946 WO1996017474A1 (en) 1994-12-01 1995-12-01 Video modem

Publications (1)

Publication Number Publication Date
AU4365296A true AU4365296A (en) 1996-06-19

Family

ID=23383842

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43652/96A Abandoned AU4365296A (en) 1994-12-01 1995-12-01 Video modem

Country Status (9)

Country Link
US (2) US5621455A (en)
EP (1) EP0795252A4 (en)
JP (1) JPH10510119A (en)
CN (1) CN1109441C (en)
AU (1) AU4365296A (en)
CA (1) CA2206521C (en)
MX (1) MX9704045A (en)
TW (1) TW344924B (en)
WO (1) WO1996017474A1 (en)

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JP2838980B2 (en) * 1995-03-17 1998-12-16 日本電気株式会社 Video playback system with two-way communication
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US5694419A (en) * 1995-11-07 1997-12-02 Hitachi America, Ltd. Shared resource modulator-demodulator circuits for use with vestigial sideband signals
US5790514A (en) * 1996-08-22 1998-08-04 Tellabs Operations, Inc. Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture
US6771590B1 (en) 1996-08-22 2004-08-03 Tellabs Operations, Inc. Communication system clock synchronization techniques
US6118758A (en) * 1996-08-22 2000-09-12 Tellabs Operations, Inc. Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture
US5878047A (en) * 1996-11-15 1999-03-02 International Business Machines Corporation Apparatus for provision of broadband signals over installed telephone wiring
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HUP0002110A2 (en) * 1997-05-30 2000-10-28 Cais, Inc. Twisted pair communication system
US6044112A (en) * 1997-07-03 2000-03-28 Hitachi America, Ltd. Methods and apparatus for correcting amplitude and phase imbalances in demodulators
US6192399B1 (en) 1997-07-11 2001-02-20 Inline Connections Corporation Twisted pair communication system
US6069899A (en) * 1997-08-28 2000-05-30 Broadcam Homenetworking, Inc. Home area network system and method
US6631175B2 (en) * 1998-04-03 2003-10-07 Tellabs Operations, Inc. Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
US7440498B2 (en) 2002-12-17 2008-10-21 Tellabs Operations, Inc. Time domain equalization for discrete multi-tone systems
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US6571393B1 (en) 1998-05-27 2003-05-27 The Hong Kong University Of Science And Technology Data transmission system
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6038425A (en) * 1998-08-03 2000-03-14 Jeffrey; Ross A. Audio/video signal redistribution system
US6567981B1 (en) 1998-08-03 2003-05-20 Elysium Broadband Inc. Audio/video signal redistribution system
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
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US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
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US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6618774B1 (en) 1999-03-17 2003-09-09 Adder Technology Ltd. Computer signal transmission system
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US6577605B1 (en) 1999-06-18 2003-06-10 Viewcast.Com, Inc. System, method and apparatus for automatically distributing multimedia calls
US6690677B1 (en) 1999-07-20 2004-02-10 Serconet Ltd. Network for telephony and data communication
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US20020138842A1 (en) * 1999-12-17 2002-09-26 Chong James I. Interactive multimedia video distribution system
AU2001247969A1 (en) * 2000-02-14 2001-08-27 Michael Ledbetter Method and system for distributing an event
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
US6529868B1 (en) * 2000-03-28 2003-03-04 Tellabs Operations, Inc. Communication system noise cancellation power signal calculation techniques
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
IL135744A (en) 2000-04-18 2008-08-07 Mosaid Technologies Inc Telephone communication system over a single telephone line
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
US20040151237A1 (en) * 2000-05-31 2004-08-05 Bitrage, Inc. Satellite communications system
US7149242B1 (en) 2000-05-31 2006-12-12 Bitrage, Inc. Communications system for improving transmission rates and transmission distances of data signals across communications links
US6823001B1 (en) 2000-05-31 2004-11-23 Bitrage, Inc. Dual stage communication processor
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
FR2824691B1 (en) * 2001-05-14 2004-04-02 Micsystemes Sa SYSTEM FOR TRANSPORTING A Y / C STANDARD VIDEO SIGNAL ON A TWISTED PAIR
US7061994B2 (en) * 2001-06-21 2006-06-13 Flarion Technologies, Inc. Methods and apparatus for I/Q imbalance compensation
IL144158A (en) 2001-07-05 2011-06-30 Mosaid Technologies Inc Outlet for connecting an analog telephone set to a digital data network carrying voice signals in digital form
EP2523358A3 (en) 2001-10-11 2012-11-21 Mosaid Technologies Incorporated Outlet with analog signal adapter
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
WO2003073219A2 (en) * 2002-02-22 2003-09-04 Tiburon Network Technologies, Llc Method and apparatus for sumultaneously transmitting video, sound, data and ordinary telephone service, bidirectionally over an ordinary twisted pair
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
IL154234A (en) 2003-01-30 2010-12-30 Mosaid Technologies Inc Method and system for providing dc power on local telephone lines
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US7424558B2 (en) * 2003-05-01 2008-09-09 Genesis Microchip Inc. Method of adaptively connecting a video source and a video display
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US7800623B2 (en) * 2003-09-18 2010-09-21 Genesis Microchip Inc. Bypassing pixel clock generation and CRTC circuits in a graphics controller chip
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US8074255B2 (en) * 2004-09-28 2011-12-06 Clearcube Technology, Inc. Analog video signal transmission over twisted-pair wires
US7873058B2 (en) 2004-11-08 2011-01-18 Mosaid Technologies Incorporated Outlet with analog signal adapter, a method for use thereof and a network using said outlet
IL166445A (en) * 2005-01-23 2011-07-31 Mosaid Technologies Inc Device and method for estimating the termination to a wired transmission-line based on determination of characteristic impedance
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
WO2009053910A2 (en) 2007-10-22 2009-04-30 Mobileaccess Networks Ltd. Communication system using low bandwidth wires
US8203592B2 (en) * 2007-10-26 2012-06-19 Seiko Epson Corporation Videoconference recording, post-processing, and playback
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
WO2010089719A1 (en) 2009-02-08 2010-08-12 Mobileaccess Networks Ltd. Communication system using cables carrying ethernet signals
US20130201316A1 (en) 2012-01-09 2013-08-08 May Patents Ltd. System and method for server based control
EP2829152A2 (en) 2012-03-23 2015-01-28 Corning Optical Communications Wireless Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference
US10614027B2 (en) * 2015-05-18 2020-04-07 Tsvlink Corp. Serial bus with embedded side band communication

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* Cited by examiner, † Cited by third party
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US3974337A (en) * 1967-10-24 1976-08-10 Matsushita Electric Industrial Co., Ltd. FM television telephone system
US4054910A (en) * 1976-02-26 1977-10-18 Tel-E-Tel, Inc. Communication system for the transmission of closed circuit television over an ordinary pair of wires
US4589011A (en) * 1984-01-16 1986-05-13 At&T Bell Laboratories Single sideband modulated chrominance information for compatible high-definition television
DE3786946T2 (en) * 1986-04-30 1994-01-27 Sharp Kk Method and system for multiplex transmission of an audio signal and a video signal via a communication cable.
US5010399A (en) * 1989-07-14 1991-04-23 Inline Connection Corporation Video transmission and control system utilizing internal telephone lines
US5164980A (en) * 1990-02-21 1992-11-17 Alkanox Corporation Video telephone system
US5283637A (en) * 1990-08-20 1994-02-01 Christine Holland Trustee/Goolcharan Trust Telecommunication system for transmitting full motion video
AU3231193A (en) * 1991-12-05 1993-06-28 Inline Connection Corporation Rf broadcast and cable television distribution system and two-way rf communication
US5621455A (en) * 1994-12-01 1997-04-15 Objective Communications, Inc. Video modem for transmitting video data over ordinary telephone wires

Also Published As

Publication number Publication date
CA2206521A1 (en) 1996-06-06
US5621455A (en) 1997-04-15
CA2206521C (en) 2001-01-30
CN1171876A (en) 1998-01-28
US5786844A (en) 1998-07-28
EP0795252A4 (en) 1998-09-16
WO1996017474A1 (en) 1996-06-06
TW344924B (en) 1998-11-11
MX9704045A (en) 1998-02-28
CN1109441C (en) 2003-05-21
EP0795252A1 (en) 1997-09-17
JPH10510119A (en) 1998-09-29

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